Antique radios, Old Time Radios
841
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Country:
United States of America (USA)
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| Identical to |
841
= VT-51
= CX841
= X841
= UE-941
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| Similar
Tubes |
Normally replaceable-slightly different:
PT-841
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| First Source
(s) |
Apr.1932 : -- Original-techn. papers. Radio News
28.Jun.1945 : Electron Tube Registration List rec. 416
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 7.5 Volts / If 1.2 Ampere / Direct / Battery = |
| Description |
Va <425; Pa <12W, 6MHz fmax.
Code assigned in 1927, probably to Cunningham; later, in 1945, registered to General Electric.
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Dimensions (WHD)
incl. pins / tip |
x 137 x 54 mm / x 5.39 x 2.13 inch |
| Weight |
59 g / 2.08 oz |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Tube Lore (II) p. 78
-- Original-techn. papers.
Tube Lore (I)
Taschenbuch zum Röhren-Codex 1948/49
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841: Radio-News
Heinz Höger
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841: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
More ...
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Just Qvigstad
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841: RCA de forest amateur 1934
Miguel Angel Trujillo-Rodriguez
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
Collection of a member from FIN |
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Variants
841 with balloon bulb
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